const getTourDetail = (id: any) => { const selectedTour = DataStore.Tours.find(t => t.tourId == id); if ( selectedTour ) { const selectedReviews = DataStore.Reviews.filter((item: any) => item.tourId == id); const res = new TourDetail(selectedTour, selectedReviews, selectedTour.img); return res; } const res = {"status": "failed", "message": "Element not found"}; return res; }